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| Patents Granted on 1823-02-27 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,664X | Feb. 27, 1823 | S. Spooner | Machine for shelling corn | miller | |
| 3,665X | Feb. 27, 1823 | D. Pease, Jr. | Machine for cleaning smut from wheat | miller | |
| 3,666X | Feb. 27, 1823 | A.G. Hull | Truss | ||